Mercury OEM Spitfire 4 Blade Prop 12.5x19 Propeller 48-8M8026600 Pontoon 12-1/2 x 19 Pitch 12.5" diameter x 19" pitch 4 blade aluminum RH rotation includes Flo-Torque II hub kit # 835257K1 (thrust washer, splined hub, hub insert, prop nut and keeper)